a graphic listing dozens of places to find sports data online. The list includes data for baseball, football, soccer, basketball, hockey, tennis, horse racing, rugby, and cricket.
Applications for Education
Tableau Public offers free software (Windows only) for creating data visualizations. Students could use the software to create visual data comparisons as an exercise in developing their analysis skills. Creating the visualizations could also be used as part of an exercise in developing design skills. Randy Krum's book Cool Infographics outlines seven key concepts of good data visualizations. His key concepts are outlined here.
If you are not a Windows user, take a look at these ten options for creating data visualizations.